Home / 126,210.29-174,172.14-69,621.66

Finding the Fourth Proportional to 126,210.29, 174,172.14 and 69,621.66

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Solution

The fourth proportional to 126,210.29, 174,172.14 and 69,621.66 is: 96,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,210.29 : 174,172.14 = 69,621.66 : x
  2. Step 2: Convert to fraction form
    126,210.29/174,172.14 = 69,621.66/x
  3. Step 3: Cross multiply
    126,210.29x = 174,172.14 × 69,621.66
  4. Step 4: Simplify right side
    126,210.29x = 12,126,153,512.55
  5. Step 5: Solve for x
    x = 12,126,153,512.55/126,210.29
  6. Step 6: Final answer
    x = 96,078.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.